void
SCOCacheMountPoint::addNamespace(const backend::Namespace& nspace)
{
VERIFY(initialised_);
LOG_INFO(path_ << ": adding namespace " << nspace << " to mountpoint");
validateNamespace_throw_(nspace);
if (hasNamespace(nspace))
{
// be more forgiving?
LOG_ERROR(path_ << " namespace " << nspace << " already exists");
throw fungi::IOException("namespace already exists",
nspace.c_str(),
EEXIST);
}
try
{
fs::create_directories(path_ / nspace.str());
}
catch(std::exception&)
{
LOG_ERROR("Problem adding namespace " << nspace << " to mountpoint " <<
getPath());
}
}
void
SCOCacheMountPoint::removeNamespace(const backend::Namespace& nspace)
{
VERIFY(initialised_);
LOG_INFO(path_ << ": removing namespace " << nspace << " from mountpoint");
if (!hasNamespace(nspace))
{
// be more forgiving?
LOG_ERROR(path_ << " namespace " << nspace << " does not exist");
throw fungi::IOException("namespace does not exist",
nspace.c_str(),
ENOENT);
}
validateNamespace_throw_(nspace);
fs::remove_all(path_ / nspace.str());
}
void
SCOCacheMountPoint::validateNamespace_throw_(const backend::Namespace& nspace)
{
if (!validateNamespace_(nspace))
{
LOG_ERROR("invalid namespace " << nspace);
throw fungi::IOException("invalid namespace",
nspace.c_str());
}
}
bool
SCOCacheMountPoint::hasNamespace(const backend::Namespace& nspace)
{
VERIFY(initialised_);
return fs::exists(path_ / nspace.str());
}
// Y42: Not needed since lost+found is not a valid namespace name
bool
SCOCacheMountPoint::validateNamespace_(const backend::Namespace& nspace)
{
return (nspace.str() != "lost+found");
}
std::shared_ptr<failovercache::Backend>
FailOverCacheTestContext::backend(const be::Namespace& nspace)
{
return acceptor_.find_backend_(nspace.str());
}